What does fission mean?

Definitions for fissionˈfɪʃ ən

Here are all the possible meanings and translations of the word fission.

Princeton's WordNet

  1. fission(noun)

    reproduction of some unicellular organisms by division of the cell into two more or less equal parts

  2. fission, nuclear fission(noun)

    a nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy


  1. Fission(n.)

    (Physics) The act or process of disintegration of an atomic nucleus into two or more smaller pieces; called also nuclear fission. The process may be spontaneous or induced by capture of neutrons or other smaller nuclei, and usually proceeds with evolution of energy.

  2. Origin: [L. fissio. See Fissure.]


  1. fission(Noun)

    The process whereby one item splits to become two.

  2. fission(Noun)

    The process of splitting the nucleus of an atom into smaller particles; nuclear fission

  3. fission(Noun)

    The process by which a bacterium splits to form two daughter cells.

  4. fission(Verb)

    To cause to undergo fission.

  5. fission(Verb)

    To undergo fission.

  6. Origin: From fissionem, accusative singular of fissio, from findo.

Webster Dictionary

  1. Fission(noun)

    a cleaving, splitting, or breaking up into parts

  2. Fission(noun)

    a method of asexual reproduction among the lowest (unicellular) organisms by means of a process of self-division, consisting of gradual division or cleavage of the into two parts, each of which then becomes a separate and independent organisms; as when a cell in an animal or plant, or its germ, undergoes a spontaneous division, and the parts again subdivide. See Segmentation, and Cell division, under Division

  3. Fission(noun)

    a process by which certain coral polyps, echinoderms, annelids, etc., spontaneously subdivide, each individual thus forming two or more new ones. See Strobilation

  4. Origin: [L. fissio. See Fissure.]


  1. Fission

    Fission is a Swedish melodic death metal band formed in 2002. The band began as Benny Hägglund's personal project, with the hopes of fusing melody and aggression into his music. After writing some material, he decided to seek aid from Andreas Hedlund of Vintersorg, the band in which Hägglund plays live session drums. After recording a two-track demo with Benny handling all instrumentation and Andreas handling vocal duties, they signed on with Austrian label, Napalm Records. Benny continued writing all of the songs for their first full-length, while Andreas provided all of the lyrics, vocals, keyboards, and sound effects. They released their first full-length album, Crater, on April 27, 2004.

Editors Contribution

  1. fission

    In physics it is a nuclear reaction in which a large nucleus divides into different size nuclei with the simultaneous release of energy.

    Nuclear fission is a process that take place inside a nuclear reactor.

Suggested Resources

  1. fission

    Song lyrics by fission -- Explore a large variety of song lyrics performed by fission on the Lyrics.com website.


  1. Chaldean Numerology

    The numerical value of fission in Chaldean Numerology is: 1

  2. Pythagorean Numerology

    The numerical value of fission in Pythagorean Numerology is: 1

Sample Sentences & Example Usage

  1. Kai Vetter:

    The ship was partially decontaminated, but some of the fission fragments are expected to be still bound to the ship.

  2. Bruce Bennett:

    North Korea appears to have had a difficult time mastering even the basics of a fission weapon, this suggests that unless North Korea has had help from outside experts, it is unlikely that it has really achieved a hydrogen/fusion bomb since its last nuclear test, just short of three years ago.

Images & Illustrations of fission

  1. fissionfissionfission

Translations for fission

From our Multilingual Translation Dictionary

Get even more translations for fission »


Find a translation for the fission definition in other languages:

Select another language:

Discuss these fission definitions with the community:

Word of the Day

Would you like us to send you a FREE new word definition delivered to your inbox daily?

Please enter your email address:     


Use the citation below to add this definition to your bibliography:


"fission." Definitions.net. STANDS4 LLC, 2018. Web. 23 Feb. 2018. <https://www.definitions.net/definition/fission>.

Are we missing a good definition for fission? Don't keep it to yourself...

Nearby & related entries:

Alternative searches for fission:

Thanks for your vote! We truly appreciate your support.